we are much more able to 'tune out' long-lasting background noise.的中文意思?

问题描述:

we are much more able to 'tune out' long-lasting background noise.的中文意思?
be able to是能够的意思
当时much more不是“更加”的意思吗?

are much more able to
要怎么解释才讲的通呢?

我们更能够'调出的长期持久的背景噪声